Fastener of chamber cover



FIG. 1 is a front right perspective view of a fastener of chamber covershowing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view in use thereof.

The ornamental design for a fastener of chamber cover, as shown.